Merge pull request #2978 from lioncash/doxygen
video_core/texture_cache: Amend Doxygen references
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Rodrigo Locatti
GitHub
commit
60c602e4e7
@ -62,10 +62,10 @@ public:
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}
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}
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/***
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* `Guard` guarantees that rendertargets don't unregister themselves if the
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/**
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* Guarantees that rendertargets don't unregister themselves if the
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* collide. Protection is currently only done on 3D slices.
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***/
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*/
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void GuardRenderTargets(bool new_guard) {
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guard_render_targets = new_guard;
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}
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@ -287,7 +287,7 @@ protected:
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const Tegra::Engines::Fermi2D::Config& copy_config) = 0;
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// Depending on the backend, a buffer copy can be slow as it means deoptimizing the texture
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// and reading it from a sepparate buffer.
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// and reading it from a separate buffer.
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virtual void BufferCopy(TSurface& src_surface, TSurface& dst_surface) = 0;
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void ManageRenderTargetUnregister(TSurface& surface) {
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@ -386,12 +386,13 @@ private:
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};
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/**
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* `PickStrategy` takes care of selecting a proper strategy to deal with a texture recycle.
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* @param overlaps, the overlapping surfaces registered in the cache.
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* @param params, the paremeters on the new surface.
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* @param gpu_addr, the starting address of the new surface.
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* @param untopological, tells the recycler that the texture has no way to match the overlaps
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* due to topological reasons.
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* Takes care of selecting a proper strategy to deal with a texture recycle.
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*
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* @param overlaps The overlapping surfaces registered in the cache.
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* @param params The parameters on the new surface.
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* @param gpu_addr The starting address of the new surface.
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* @param untopological Indicates to the recycler that the texture has no way
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* to match the overlaps due to topological reasons.
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**/
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RecycleStrategy PickStrategy(std::vector<TSurface>& overlaps, const SurfaceParams& params,
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const GPUVAddr gpu_addr, const MatchTopologyResult untopological) {
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@ -419,16 +420,19 @@ private:
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}
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/**
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* `RecycleSurface` es a method we use to decide what to do with textures we can't resolve in
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*the cache It has 2 implemented strategies: Ignore and Flush. Ignore just unregisters all the
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*overlaps and loads the new texture. Flush, flushes all the overlaps into memory and loads the
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*new surface from that data.
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* @param overlaps, the overlapping surfaces registered in the cache.
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* @param params, the paremeters on the new surface.
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* @param gpu_addr, the starting address of the new surface.
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* @param preserve_contents, tells if the new surface should be loaded from meory or left blank
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* @param untopological, tells the recycler that the texture has no way to match the overlaps
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* due to topological reasons.
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* Used to decide what to do with textures we can't resolve in the cache It has 2 implemented
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* strategies: Ignore and Flush.
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*
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* - Ignore: Just unregisters all the overlaps and loads the new texture.
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* - Flush: Flushes all the overlaps into memory and loads the new surface from that data.
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*
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* @param overlaps The overlapping surfaces registered in the cache.
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* @param params The parameters for the new surface.
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* @param gpu_addr The starting address of the new surface.
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* @param preserve_contents Indicates that the new surface should be loaded from memory or left
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* blank.
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* @param untopological Indicates to the recycler that the texture has no way to match the
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* overlaps due to topological reasons.
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**/
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std::pair<TSurface, TView> RecycleSurface(std::vector<TSurface>& overlaps,
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const SurfaceParams& params, const GPUVAddr gpu_addr,
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@ -465,10 +469,12 @@ private:
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}
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/**
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* `RebuildSurface` this method takes a single surface and recreates into another that
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* may differ in format, target or width alingment.
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* @param current_surface, the registered surface in the cache which we want to convert.
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* @param params, the new surface params which we'll use to recreate the surface.
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* Takes a single surface and recreates into another that may differ in
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* format, target or width alignment.
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*
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* @param current_surface The registered surface in the cache which we want to convert.
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* @param params The new surface params which we'll use to recreate the surface.
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* @param is_render Whether or not the surface is a render target.
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**/
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std::pair<TSurface, TView> RebuildSurface(TSurface current_surface, const SurfaceParams& params,
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bool is_render) {
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@ -502,12 +508,14 @@ private:
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}
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/**
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* `ManageStructuralMatch` this method takes a single surface and checks with the new surface's
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* params if it's an exact match, we return the main view of the registered surface. If it's
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* formats don't match, we rebuild the surface. We call this last method a `Mirage`. If formats
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* Takes a single surface and checks with the new surface's params if it's an exact
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* match, we return the main view of the registered surface. If its formats don't
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* match, we rebuild the surface. We call this last method a `Mirage`. If formats
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* match but the targets don't, we create an overview View of the registered surface.
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* @param current_surface, the registered surface in the cache which we want to convert.
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* @param params, the new surface params which we want to check.
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*
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* @param current_surface The registered surface in the cache which we want to convert.
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* @param params The new surface params which we want to check.
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* @param is_render Whether or not the surface is a render target.
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**/
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std::pair<TSurface, TView> ManageStructuralMatch(TSurface current_surface,
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const SurfaceParams& params, bool is_render) {
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@ -529,13 +537,14 @@ private:
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}
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/**
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* `TryReconstructSurface` unlike `RebuildSurface` where we know the registered surface
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* matches the candidate in some way, we got no guarantess here. We try to see if the overlaps
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* are sublayers/mipmaps of the new surface, if they all match we end up recreating a surface
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* for them, else we return nothing.
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* @param overlaps, the overlapping surfaces registered in the cache.
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* @param params, the paremeters on the new surface.
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* @param gpu_addr, the starting address of the new surface.
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* Unlike RebuildSurface where we know whether or not registered surfaces match the candidate
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* in some way, we have no guarantees here. We try to see if the overlaps are sublayers/mipmaps
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* of the new surface, if they all match we end up recreating a surface for them,
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* else we return nothing.
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*
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* @param overlaps The overlapping surfaces registered in the cache.
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* @param params The parameters on the new surface.
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* @param gpu_addr The starting address of the new surface.
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**/
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std::optional<std::pair<TSurface, TView>> TryReconstructSurface(std::vector<TSurface>& overlaps,
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const SurfaceParams& params,
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@ -584,19 +593,27 @@ private:
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}
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/**
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* `GetSurface` gets the starting address and parameters of a candidate surface and tries
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* to find a matching surface within the cache. This is done in 3 big steps. The first is to
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* check the 1st Level Cache in order to find an exact match, if we fail, we move to step 2.
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* Step 2 is checking if there are any overlaps at all, if none, we just load the texture from
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* memory else we move to step 3. Step 3 consists on figuring the relationship between the
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* candidate texture and the overlaps. We divide the scenarios depending if there's 1 or many
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* overlaps. If there's many, we just try to reconstruct a new surface out of them based on the
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* candidate's parameters, if we fail, we recycle. When there's only 1 overlap then we have to
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* check if the candidate is a view (layer/mipmap) of the overlap or if the registered surface
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* is a mipmap/layer of the candidate. In this last case we reconstruct a new surface.
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* @param gpu_addr, the starting address of the candidate surface.
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* @param params, the paremeters on the candidate surface.
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* @param preserve_contents, tells if the new surface should be loaded from meory or left blank.
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* Gets the starting address and parameters of a candidate surface and tries
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* to find a matching surface within the cache. This is done in 3 big steps:
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*
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* 1. Check the 1st Level Cache in order to find an exact match, if we fail, we move to step 2.
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*
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* 2. Check if there are any overlaps at all, if there are none, we just load the texture from
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* memory else we move to step 3.
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*
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* 3. Consists of figuring out the relationship between the candidate texture and the
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* overlaps. We divide the scenarios depending if there's 1 or many overlaps. If
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* there's many, we just try to reconstruct a new surface out of them based on the
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* candidate's parameters, if we fail, we recycle. When there's only 1 overlap then we
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* have to check if the candidate is a view (layer/mipmap) of the overlap or if the
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* registered surface is a mipmap/layer of the candidate. In this last case we reconstruct
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* a new surface.
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*
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* @param gpu_addr The starting address of the candidate surface.
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* @param params The parameters on the candidate surface.
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* @param preserve_contents Indicates that the new surface should be loaded from memory or
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* left blank.
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* @param is_render Whether or not the surface is a render target.
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**/
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std::pair<TSurface, TView> GetSurface(const GPUVAddr gpu_addr, const SurfaceParams& params,
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bool preserve_contents, bool is_render) {
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@ -651,7 +668,7 @@ private:
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// Step 3
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// Now we need to figure the relationship between the texture and its overlaps
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// we do a topological test to ensure we can find some relationship. If it fails
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// inmediatly recycle the texture
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// immediately recycle the texture
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for (const auto& surface : overlaps) {
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const auto topological_result = surface->MatchesTopology(params);
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if (topological_result != MatchTopologyResult::FullMatch) {
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@ -720,12 +737,13 @@ private:
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}
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/**
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* `DeduceSurface` gets the starting address and parameters of a candidate surface and tries
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* to find a matching surface within the cache that's similar to it. If there are many textures
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* Gets the starting address and parameters of a candidate surface and tries to find a
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* matching surface within the cache that's similar to it. If there are many textures
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* or the texture found if entirely incompatible, it will fail. If no texture is found, the
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* blit will be unsuccessful.
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* @param gpu_addr, the starting address of the candidate surface.
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* @param params, the paremeters on the candidate surface.
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*
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* @param gpu_addr The starting address of the candidate surface.
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* @param params The parameters on the candidate surface.
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**/
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Deduction DeduceSurface(const GPUVAddr gpu_addr, const SurfaceParams& params) {
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const auto host_ptr{system.GPU().MemoryManager().GetPointer(gpu_addr)};
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@ -777,11 +795,14 @@ private:
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}
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/**
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* `DeduceBestBlit` gets the a source and destination starting address and parameters,
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* Gets the a source and destination starting address and parameters,
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* and tries to deduce if they are supposed to be depth textures. If so, their
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* parameters are modified and fixed into so.
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* @param gpu_addr, the starting address of the candidate surface.
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* @param params, the parameters on the candidate surface.
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*
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* @param src_params The parameters of the candidate surface.
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* @param dst_params The parameters of the destination surface.
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* @param src_gpu_addr The starting address of the candidate surface.
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* @param dst_gpu_addr The starting address of the destination surface.
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**/
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void DeduceBestBlit(SurfaceParams& src_params, SurfaceParams& dst_params,
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const GPUVAddr src_gpu_addr, const GPUVAddr dst_gpu_addr) {
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